Article
Dimer dissociation of the pore-forming toxin aerolysin precedes receptor binding.
The Journal of biological chemistry - 31 Dec 1999
Fivaz M, Velluz M C, van der Goot F G
Abstract excerpt
The pore-forming toxin aerolysin is secreted by Aeromonas hydrophila as an inactive precursor. Based on chemical cross-linking and gel filtration, we show here that proaerolysin exists as a monomer at low concentrations but is dimeric above 0.1 mg/ml. At intermediate concentrations, monomers and dimers appeared to be in rapid equilibrium. All together our data indicate that, at low concentrations, the toxin is a...
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